887642169121 has 8 divisors (see below), whose sum is σ = 889350386624. Its totient is φ = 885934201680.

The previous prime is 887642169107. The next prime is 887642169163. The reversal of 887642169121 is 121961246788.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 887642169121 - 2⁷ = 887642168993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (887642161121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8051050 + ... + 8160556.

It is an arithmetic number, because the mean of its divisors is an integer number (111168798328).

Almost surely, 2^887642169121 is an apocalyptic number.

It is an amenable number.

887642169121 is a deficient number, since it is larger than the sum of its proper divisors (1708217503).

887642169121 is a wasteful number, since it uses less digits than its factorization.

887642169121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125031.

The product of its digits is 2322432, while the sum is 55.

The spelling of 887642169121 in words is "eight hundred eighty-seven billion, six hundred forty-two million, one hundred sixty-nine thousand, one hundred twenty-one".